At 25 °c, what is the hydroxide ion concentration, [oh-], in an aqueous solution with a hydrogen ion concentration of [h ] = 3.0 * 10-5 m?

How many sodium atoms are in 0.1310 g of sodium

Identify the type of atom that generally forms covalent bonds

The temperature of 6.24 l of a gas is increased from 25.0°c to 55.0°c at constant pressure. the new volume of the gas is

How many moles are present in 88.0 g of KCN?

Which is the best time to apply sunscreen? Before going to bed Just after going out in the sun 1 hour after going out in the sun 30 minutes before going out in the day

All of the following are possible sources of error in a scientific investigation except for O measuring materials such as mass and volume incorrectly. o recording experimental data incorrectly. o having a constant in your experiment.

Do polyatomic ions have fixed charges?

Which type of organism is used to make bread rise when baking? A. plants B. protists C. yeast D. bacteria

How many particles are in 3.55 moles of Aluminum Sulfate

Major geological events that occur when plates shift suddenly and released stored energy: A. Volcanic eruptions B. Earthquakes C. Antarctic plate D. Spreading ridges